Home / 379,948.12-524,099.97-250,887.78

Finding the Fourth Proportional to 379,948.12, 524,099.97 and 250,887.78

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Solution

The fourth proportional to 379,948.12, 524,099.97 and 250,887.78 is: 346,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,948.12 : 524,099.97 = 250,887.78 : x
  2. Step 2: Convert to fraction form
    379,948.12/524,099.97 = 250,887.78/x
  3. Step 3: Cross multiply
    379,948.12x = 524,099.97 × 250,887.78
  4. Step 4: Simplify right side
    379,948.12x = 131,490,277,971.37
  5. Step 5: Solve for x
    x = 131,490,277,971.37/379,948.12
  6. Step 6: Final answer
    x = 346,074.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.